JP2880494B1 - Block anchor - Google Patents

Abstract

A block anchor for fixing a hollow concrete block so that the block becomes a stable base. A mounting base (1) mounted on a block (B) is provided with a hanging piece (2) hooked and locked to the block (B) and an anchor rod (3) embedded in the ground through an auxiliary muscle hole (6) of the block (B). By forming the block anchor A, the block B is fixed to the surface of the ground and used as a base for a storage room, a greenhouse, or the like.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a block anchor used for fixing a block such as a concrete block in a fixed position.

[0002]

A block such as a concrete block is used not only for construction, but also for
It is also used as a mounting base for various installations such as greenhouses and wood decks. When used as a base, blocks are generally placed on the ground and the installations are placed on them. The block is likely to be displaced from a fixed position due to vibrations or the like due to vibration, and the stability as a base tends to be impaired.

[0003] The present invention has been made in view of such circumstances, and a solution to the problem is to use a block anchor which can secure the stability as a base as much as possible when using a block as a base. To offer.

[0004]

According to the present invention, in accordance with the present invention, there is provided a method for manufacturing a concrete block, comprising the steps of forming a concrete block as described in JIS A 5406 (cavity concrete block) and JIS A 5407 (decorative concrete block). Since it is a cavity block with multiple cavity holes (reinforcing bar insertion holes) in the direction,
By using this cavity hole, the block can be pressed and fixed to the ground surface.
That is, the invention according to claim 1 is used for fixing a cavity block made of concrete, synthetic resin or the like, and a mounting base for pressing and placing the cavity block upper surface and a cavity hole of the cavity block are formed. An anchor rod having a length equal to or greater than the height of a cavity block protruding downward from the above-mentioned base so that it can be buried underground through the base;
In addition to the above, the invention according to claim 2 further comprises fixing the block in the front-rear direction and / or the lateral direction so as to further improve the stability as a base. The block anchor according to claim 1, characterized in that the block anchor is provided with downward locking means for hooking and locking to the front and rear upper edges of the cavity block and / or the upper edges of the left and right cavity holes. The invention according to 3 also further improves the stability as a base by allowing the block anchor to perform an integral fixing action between the block and the installation object in addition to the above. The mounting base is provided with a stud bolt and a fastening nut for screwing an installation object on an upwardly protruding cavity block. Block en described in 2 And over, it is obtained by a means of the aforementioned problems solved as the gist of the invention.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings.
Is a block anchor, B is, for example, a concrete cavity block (cavity concrete block), and a block anchor A is for fixing the cavity block B, and is placed for pressing and placing the cavity block B on the upper surface. An anchor rod having a length equal to or greater than the height of the cavity block B protruding downward from the base 1 so as to be buried below the base 1 via the cavity hole 6 of the cavity block B so as to be freely embedded in the ground. 3 is provided.

In this embodiment, the block anchor A is made of steel, and the mounting base 1 is formed in a rectangular or rectangular shape with a flat plate of, for example, about 2 to 3 mm, and has a depth of a hollow block B. For example, 100, 120, 1
50 or 190 mm, and the width (length) is set to, for example, 120 mm so as to cover one cavity 6 of the cavity block B and to straddle between the inner ends of the cavity 6 on both sides thereof. ,
The upper surface of the cavity block B serves as a substrate for pressing and mounting.

The anchor rod 3 is located at the center of the mounting base 1, in this example, at the intersection of the diagonal lines, and is welded to the lower surface of the mounting base 1. It has a length of 490 mm so as to protrude a length of 300 mm below 190 mm, has a large diameter, for example, a diameter of 25 mm, and has a tapered acute-angle cross-section at the lower end for insertion, or They are rectangular.

At this time, in the present example, the base 1 described above is used.
However, there is provided a downward locking means that is hooked and locked to the front and rear upper edges of the cavity block and the upper edges of the left and right cavity holes 6.

In other words, the locking means of this embodiment is to be hooked and locked to the front and rear upper edges of the cavity block B. In the example, a single or multiple tongues projecting downward
In this example, the pair of hanging pieces 2 is used. At this time, the pair of hanging pieces 2 of the present example face the front and rear ends of the mounting base 1 at both longitudinal ends. It has been installed as follows.

On the other hand, in the case where the upper and lower cavities 6 are hooked and locked to the upper edges of the left and right cavity holes 6, the left and right side ends of the mounting base 1 are respectively protruded downward, and in the present embodiment, they also hang downward. In the case of a single or a plurality of projecting tongues, each single hanging piece 2 is slightly wider in the front-rear direction than the pair of hanging pieces 2 in this example. Hanging piece 2
Are disposed so as to face the left and right ends of the mounting base 1 on the left and right sides, respectively, at the center in the longitudinal direction.

The fixing of the hollow block B using the block anchor A having the above-described structure and the formation of the installed block as a base are performed by, for example, using a commercially available hollow block B of a standard, a storage room (not shown), a greenhouse, etc. Place the ground on the required number of surfaces according to the corners of the installation or the middle part as necessary, or place the ground partially flat so as to secure the level,
A block anchor A is inserted into each cavity block B, for example, while the anchor rod 3 is inserted into the cavity hole 6 at an intermediate position,
The anchor base 3 is pressed into the ground by being pressed into the ground, for example, by hitting the upper surface of the mounting base 1 with, for example, a hammer, so that the mounting base 1 is closely attached to the upper surface of the cavity block B. The cavity blocks B are pressed and fixed in a shape, and the hanging pieces 2 are respectively engaged with the front and rear edges of the cavity blocks B and the left and right edges of the cavity holes 6 at opposite positions. The cavity block B is fixed in the front-rear direction and the lateral direction by the locking means by these hooking locks.

At this time, in the block anchor A of this embodiment, the anchor rod 3 has a rectangular or rectangular cross section having a tapered acute end at the lower end.
The cavity block B can be easily displaced and rotated by fixing the cavity block B by pressing and fixing it in the front-rear direction and the lateral direction. It is intended to eliminate the nature as much as possible.

As described above, the installation object may be fixedly mounted on the cavity block B fixed to the ground surface by the block anchor A, whereby the cavity block B secures stability as a base of the installation object. It will be.

FIGS. 4 and 5 show another example. In this example, a block anchor A is provided on a hollow block B on which the mounting base 1 is upwardly protruded. This is an example in which a stud bolt 4 and a nut 5 for screwing and fixing an installation object are provided.

That is, the stud bolt 4 of this embodiment is provided with a lower end screwed into a threaded hole formed by tapping the mounting base 1 and projecting upward from the upper surface of the mounting base 1. One or a plurality of short lengths, in this example, a pair of diagonally arranged corners, and a fastening nut 5 is screwed onto the stud bolt 4 and the stud bolt 4 is inserted therethrough. For example, a hexagonal nut, a wing nut, or the like is fastened to the lower end of the installation object, for example, a pedestal 7, and in this example, the stud bolt 4 and the fastening nut 5 are provided. Since the placing base 1, the anchor rod 3, etc. are the same as those in the above example, the same reference numerals are given and the other explanation is omitted.

In the present embodiment, at the time of the stationary mounting of the installation object, for example, an integrated or separate pedestal 7 is used at the lower end of the installation object, and a stud is formed in a through hole 8 provided through the pedestal 7. After the bolt 4 is inserted, this is mounted on the mounting base 1, a fastening nut 5 is screwed on the stud bolt 4, and the pedestal 7 is fastened and fixed. Cavity block B
It is sufficient to fix to.

At this time, the stud bolts 4 of the present embodiment are arranged in a pair at the corners at diagonal positions, so that both can be used in relation to the base wheel 7 and the fifth stud in the present embodiment. As shown in the figure, the front and rear widths of the base wheel 7 are set to be narrower than the mounting base 1, so that one of them can be selectively used. With respect to the block B, the block anchor A can be installed irrespective of its orientation, and the workability of the embedded installation of the cavity block B can be improved.

In the block anchor A provided with the stud bolts 4 and the fastening nuts 5 as described above, in addition to the above-described example, the cavity block B and the installation object (or pedestal) are integrally fixed. The stability of the cavity block B as a base can be further improved.

Reference numeral 9 in the figure denotes an operation port for screwing the nut of the undercarriage 7.

Although the illustrated example is as described above, the hollow block is made of an alternative material such as a synthetic resin instead of the concrete-based block described above, and the block anchor mounting base is used. The anchoring means, which may be provided on the block, shall be provided on either the front and rear upper edges of the cavity block or the upper edges of the left and right cavity holes. Instead of those with ribs, projections or corrugated plates, the depth shall be less than the thickness of the cavity block, and the depth of the mounting base shall be small, When the locking means for the front and rear upper edges is provided, for example, it should be projected downwardly from the front and rear ends of the mounting base in an L-shape. Instead, similarly prevent rotation The anchor rod shall have an elliptical shape to have an effect, and the anchor rod shall also have a circular cross section. At this time, if necessary, a short hanging rod protrudes from the lower surface of the mounting base to prevent rotation. The hanging rod may be a rotation preventing means, and the anchor rod may be provided with a retaining means after being buried under the ground, such as a laterally or upwardly projecting projection or the like, irrespective of its cross-sectional shape. When the locking means is provided, instead of the above-mentioned hanging piece, a hanging strip bent back and forth according to the shape of the front and rear edges of the cavity block and / or the cavity hole In addition, the hanging pieces and hanging strips shall be curved or shaped on the side or cross section so that the spring can be used, for example, by using the elasticity of the material. The mounting base shall be provided with stud bolts and nuts. The nuts The supporting nut for screwing on the stud bolt and the tightening nut for tightening are also screwed on the stud bolt, and the pedestal is sandwiched between the supporting nut and the tightening nut and tightened and fixed. When the stud bolts and nuts are provided, the present invention may be applied to a case where the stud bolts and nuts are provided at an arbitrary position including the center of the mounting base. The cavity block, the mounting base,
The specific materials, shapes, structures, relationships, and additions to the anchor rods, locking means used as needed, stud bolts and nuts, and the like, may be of various forms as long as they do not contradict the gist of the invention. Things.

[0021]

The present invention is configured as described above.
According to the first aspect of the present invention, the block is pressed and fixed to the ground surface, and the block is used as a base.
It is possible to provide a block anchor which can secure the stability as a foundation as much as possible. In addition to the above, the invention according to claim 2 prevents the block from moving, and And / or by securing the block in the lateral direction, the stability as a base can be further improved. The invention according to claim 3 also provides, in addition to the above, that the block anchor As a result, the stability as a base can be further improved by performing an integral fixing action between the object and the installation object.

[Brief description of the drawings]

FIG. 1 is a perspective view of a block anchor.

FIG. 2 is a front view showing a relationship between a block anchor and a block.

FIG. 3 is a plan view showing a relationship between a block anchor and a block.

FIG. 4 is a perspective view of a block anchor according to another example.

FIG. 5 is a longitudinal sectional view showing a relationship between a block anchor and a base wheel.

[Explanation of symbols]

 A Block anchor B Block 1 Mounting base 2 Hanging piece 3 Anchor rod 4 Stud bolt 5 Nut 6 Cavity hole

Claims (3)

(57) [Claims] 1. A concrete base, a synthetic resin base, or the like, for fixing a hollow block, a ground base for pressing and mounting the upper surface of the hollow block, and a lower ground through a hollow hole of the hollow block. A block anchor, comprising: an anchor rod having a length equal to or greater than the height of a cavity block protruding downward from the mounting base so as to be embedded therein. 2. The mounting base according to claim 1, further comprising: downward locking means for hooking and locking the front and rear upper edges of the cavity block and / or the upper edges of the left and right cavity holes. Item 1
The block anchor according to 1. 3. The mounting base according to claim 1, further comprising a stud bolt for fastening an installation object on the cavity block projecting upward and a fastening nut.
The block anchor according to 1.